1·His caritative articles well expressed his loyalty to the unmerciful world and his role of lover to the inconstant daily life. No one devotes his love to the world than him.
他饱蘸博爱的浓墨为世界这个无情者书写着忠诚，为反复无常的生活充当着情人，没有谁像他那样对世界奉献着爱。
2·I was sitting in the corner, gradually, I became that corner, acuate, unmerciful, hard, sleepless.
我坐在角落，渐渐的，我变成了那个角落，尖的，无情的，硬的，失眠的。
3·Those promises paled when facing the unmerciful fact, for they didn't notice the "responsibility".
无情的现实苍白了忽视“责任”的誓言。
4·Unmerciful edge of knife keep on at innocent frontal eminence.
无情的刀刃儿纠缠着无辜的额角。